
/*******************************************************
StringBuilder
add/insert/del string
********************************************************/

public class Main { 
    public static void main(String[] args) { 
	StringBuilder strBuilder=new StringBuilder("I will always love you");

	System.out.println("comtain :"+strBuilder);
	System.out.println("length  :"+strBuilder.length());
	System.out.println("capacity:"+strBuilder.capacity());
    } 
} 
